new york engine company number 14. san francisco had grown and battled fire under chief david broderick and first fire chief. he served with other engine houses and toiled as a steamboat engineer in the mexican tea tray. mark twain, who held strong opinions perked up when sawyer mentioned he had worked as a steamboat engineer. the question and the boy in the steamer environment, such a job, he said knowingly. in the boiling steam room, he pointed out the suffocating temperature of the furnace room in a narrow space between two rows of furnaces which glare like the fires of hell. he shoveled in 140 degrees fahrenheit. sawyer survived twice that long, five years, which is the average, which was because he was a fireman of every sense of the word. you furnaces in every aspect of combustion intimately. stronger track, the thicker the fire should be. his face lit up in the clouds of steam as he warmed to the topic. no hollow places are allowed to form under it, and the temperature increases as fuel reaches its state of bril